This is a portable automotive noise finder which could quickly detect source or location of noises emanated from bearing, gear, valve, valve body, cranfshaft, cylinder, gearbox, car body etc. parts after staring engine. It helps the serviceman to pinpoint the actual noise part and severity even in severe ambient noise.
1. To determine the trouble location according to different noise.
2. Sound amplification with volume control.
3. Battery voltage indicate.